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Thermo Scientific Chemicals L-Methionine, 98+% Catalog No.: AAA1031836
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Thermo Scientific Chemicals L-Methionine, 98+%

Catalog No. AAA1031836
500 g
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Catalog No. AAA1031836

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L-Methionine (CAS # 63-68-3) is an essential amino acid that contains sulphur. L-Methionine is involved in cellular detoxification in several species. | CAS: 63-68-3 | C5H11NO2S | 149.21 g/mol

L-Methionine iserves as a chelating agent for heavy metals, as a flavoring agent and nutritional supplement for foods. It acts as a feed additive, vegetable oil enrichment and as a single cell protein. In addition to this, it is used as a hepatoprotectant and also acts as a lipotropic agent and prevents excess fat buildup in the liver.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

General Description

• L-Methionine is an essential amino acid required for tissue repair and maintenance

• L-Methionine affects absorption of selenium and zinc

• L-Methionine can assist cellular detoxification by chelating lead and mercury

• L-Methionine exhibitis properties associated with anti-aging and can also prevent the buildup of fat in the liver

Application

• L-Methionine is appropriate for use in cell culture and biochemistry laboratory applications

• It is useful for the laboratory study of methionine pathways in the cell relating to aging, degeneration, and metabolism

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 63-68-3
Molecular Formula C5H11NO2S
Molecular Weight (g/mol) 149.21
MDL Number MFCD00063097 MFCD00801344
InChI Key FFEARJCKVFRZRR-BYPYZUCNSA-N
Synonym l-methionine, methionine, h-met-oh, s-2-amino-4-methylthio butanoic acid, cymethion, l---methionine, liquimeth, s-methionine, l-methioninum, methilaninShow MoreShow Less
PubChem CID 6137
ChEBI CHEBI:16643
IUPAC Name (2S)-2-amino-4-methylsulfanylbutanoic acid
SMILES CSCC[C@H](N)C(O)=O

Specifications

Melting Point ∼280°C (decomposition)
Beilstein 1722294
Merck Index 14,5975
Solubility Information Soluble in water and hydrochloride. Slightly soluble in acetic acid. Insoluble in ethanol,benzene,acetone and ether.
Quantity 500 g
Optical Rotation +23° (c=2 in 2N HCl)
Formula Weight 149.21
Percent Purity ≥98%
Chemical Name or Material L-Methionine

Certificates

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5 results found
Lot Number Certificate Type Date Catalog Number
Lot NumberQ04L004 Certificate TypeCertificate of Analysis Date05/17/2025 Catalog NumberA1031836,A103180E,A1031822
Lot NumberQ28L021 Certificate TypeCertificate of Analysis Date05/17/2025 Catalog NumberA1031836,A103180E,A1031822
Lot NumberM27L023 Certificate TypeCertificate of Analysis Date01/29/2025 Catalog NumberA1031836,A103180E,A1031822
Lot NumberZ16K029 Certificate TypeCertificate of Analysis Date12/17/2024 Catalog NumberA1031836,A103180E,A1031822
Lot NumberW17K001 Certificate TypeCertificate of Analysis Date09/30/2024 Catalog NumberA1031836,A103180E,A1031822
Hazard Category H500
EINECSNumber 200-562-9
RTECSNumber PD0457000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only

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